1257344097202 has 8 divisors (see below), whose sum is σ = 1886435926956. Its totient is φ = 628532121552.

The previous prime is 1257344097089. The next prime is 1257344097227. The reversal of 1257344097202 is 2027904437521.

It can be written as a sum of positive squares in 2 ways, for example, as 966110102281 + 291233994921 = 982909^2 + 539661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69952293 + ... + 69970264.

Almost surely, 2^{1257344097202} is an apocalyptic number.

1257344097202 is a deficient number, since it is larger than the sum of its proper divisors (629091829754).

1257344097202 is a wasteful number, since it uses less digits than its factorization.

1257344097202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139927052.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 1257344097202 in words is "one trillion, two hundred fifty-seven billion, three hundred forty-four million, ninety-seven thousand, two hundred two".